Rotary torque transfer unit for photo-sensitive drum of image forming apparatus



FIG. 1 is a perspective view of a rotary torque transfer unit showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged perspective view of the front end portion thereof;

FIG. 9 is an enlarged, cross-section view thereof, taken along line 9-9 of FIG. 8;

FIG. 10 is an enlarged, cross-section view thereof, taken along line 10-10 of FIG. 8;

FIG. 11 is a perspective view thereof, showing the rotary torque transfer unit aligned for connection with a gear element;

FIG. 12 is a side view thereof, showing the connection of the rotary torque transfer unit to a cross-sectioned portion of a gear element; and,

FIG. 13 is a perspective view of the back end thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for the rotary torque transfer unit for photo-sensitive drum of image forming apparatus, as shown and described. 